This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Air Duct, Metallic, Nonmetallic, and Textile Fiber Hoses and their assemblies; Flexible Tubing and their assemblies.
Conduit and their assemblies (FSC 5975); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515); Rigid Tubing and their assemblies (FSC 4710).
Possible NAICS Codes
326220 – Rubber and Plastics Hoses and Belting Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332912 – Fluid Power Valve and Hose Fitting Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
333999 – All Other Miscellaneous General Purpose Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
423840 – Industrial Supplies Merchant Wholesalers
332996 – Fabricated Pipe and Pipe Fitting Manufacturing